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Merge pull request #9360 from KaiVolland/9281-rastersouce-attributions

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Enables attributions for the RasterSource
This commit is contained in:
Andreas Hocevar
2019-03-25 12:10:57 +01:00
committed by GitHub
parent 927a98ac5b 62ebe29ead
commit 1be6050da8
2 changed files with 66 additions and 2 deletions
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14
src/ol/source/Raster.js
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@@ -230,6 +230,20 @@ class RasterSource extends ImageSource {
wantedTiles: {}
};
this.setAttributions(function(frameState) {
const attributions = [];
for (let index = 0, iMax = options.sources.length; index < iMax; ++index) {
const sourceOrLayer = options.sources[index];
const source = sourceOrLayer instanceof Source ? sourceOrLayer : sourceOrLayer.getSource();
const attributionGetter = source.getAttributions();
if (typeof attributionGetter === 'function') {
const sourceAttribution = attributionGetter(frameState);
attributions.push.apply(attributions, sourceAttribution);
}
}
return attributions.length !== 0 ? attributions : null;
});
if (options.operation !== undefined) {
this.setOperation(options.operation, options.lib);
}